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cveZscalerCVE-2020-11635
HistoryFeb 16, 2021 - 8:15 p.m.

CVE-2020-11635

2021-02-1620:15:15
Zscaler
web.nvd.nist.gov
32
zscaler
client connector
cve-2020-11635
security vulnerability
rpc validation
privilege escalation

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.7

Confidence

High

EPSS

0

Percentile

12.6%

The Zscaler Client Connector prior to 3.1.0 did not sufficiently validate RPC clients, which allows a local adversary to execute code with system privileges or perform limited actions for which they did not have privileges.

Affected configurations

Nvd
Node
zscalerclient_connectorRange<3.1.0windows
VendorProductVersionCPE
zscalerclient_connector*cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*

CNA Affected

[
  {
    "product": "Zscaler Client Connector for Windows",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "< 3.1.0"
      }
    ]
  }
]

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.7

Confidence

High

EPSS

0

Percentile

12.6%

Related for CVE-2020-11635